The ZyXEL GS1900 Series of 8/16/24-port GbE Smart Managed Switch with Gigabit speed and essential managing functions bring your business network more flexibility and connectivity, the1900 Series consists of four (4) models-the GS1900-8, GS1900-8HP, GS1900-16 and GS1900-24E.Providing GbE to desktop switches with power-saving functions, fanless design and full IPv6support ensure your network to be ready for future expansions. In addition, the 8-port GS1900-8HP Gigabit switch complies with the IEEE 802.3at Power over Ethernet (PoE) Plus standard. Thecomplete GS1900 Series has been designed with useful features and advanced performancesthat empower your networks with speed and security as well as silent operation in your officeenvironments.